17:35:41 Write to Excel2007 format<br />17:35:41 File written to 33chartcreate-bar-stacked.xlsx<br />17:35:41 Peak memory usage: 6 MB<br />17:35:41 Done writing file<br />File has been created in /home/akacsystem/facturacion.akacsystem.com/vendor/phpoffice/phpexcel/Examples<br />